Fire-resisting paint.



proofing paint for wooden buildings; also face forms a crust or veneer on the surface,

a damp proofing for concrete and brick rendering it impermeable to Water, and pracbuildings and other structures. tically impervious to the action of fire. T The object of this invention is to provide When dry, the paint is of a hard, vitreous H a durable paint or compound for fire proofcharacter. 0 ing anddamp proofing purposes, and which By reason of its characteristics and qualiis particularly applicable to wooden structies, it is called, liquid stone paint. tures for the purpose of rendering the same Having thus described my invention,what fire resisting and impervious to water. I claim and desire to secure by Letters Pat- The invention resides in the combination m is 55 and mixture of the following ingredients A aint having a body consisting of ap- Mz'wtm'e N0. J.2 parts of finely ground proximately two parts of finely ground s ilsilica, at least 95% pure; 1 part Of finely i533, one part of finely ground double-burned ground, double burned or calcined or dead hii it one t; f fi l ground i. burn gnet 1 p r Of fi y gr calcined magnesite, and a binder consisting 60 .25 semi-calcined magneslte. These three inof a solution containing magnesium sulfate gredien s are oroug y mixed together to and a chlorid.

'rnn snares PATENT orFioE.

FREDERICK WM. BROOKS, OF ALAMEIDA, CALIFORNIA, ASSIGNOR TO THE LIQUID STONE PAINT 00., OF SAN FRANCISCO, CALIFORNIA, A CORPORATION OF CALI- FORNIA.

FIRE-RESISTING PAINT.

1,083,916. Specification of Letters Patent Patented Jan. 13, 1914.

No Drawing. Application filed May 22, 1911. Serial No. 628,632.

To all whom it may concern:

Be it known that I, FREDERICK W. BROOKS, citizen of the United States, residing at Alameda, in the county of Alameda and State of California, have invented new and useful Improvements in Fire-Resisting Paint, of which the following is a specification.

My invention relates to paints, and pertains especially to a fire retardant and damp form the base of my dry product.

Mixture N0. 2.20% rgawnmsuliate 20 to Baum; 20% ammonium chlorid The above mixtures #1 and #2, or #1 and #3, are mixed together in suitable proportions to form a paint, the-quantity of each mixture varying according to the consistency desired. Ordinarily, a practical, easy working paint'is provided by taking one pound of #1 and one-halfa pint of #2 or #3.

This paint when applied to. a wooden sur- In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

30 20 to 30 Baum; 20% chlorid of strontium20 to 30 Baum; 40% Water. This FREDERICK VM. BROOKS, forms my thinning or mixing liquor.

Mixture N 0. 3.As an alternative thin- Witnesses: ner, or in conjunction with mixture #2, I R. G. PENDEGAST,

H. B. DENSON.

may use: 4O%ma gn e s in m clf1 l3rig reduced to 22 to 26 Baum: 60% wa er:

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G. 

